The Rhino-Rack 44100B SX Pioneer Cargo Platform is 60 inches by 48 inches. This cargo platform is NOT a complete rack system; it requires a set of 4 Rhino-Rack SX legs, sold separately. Drilling into the platform with a 8mm drill bit is REQUIRED to make the holes needed to secure the cargo platform to the crossbars. The Rhino-Rack 44100B is composed of the cargo platform tray, 2 crossbars, and the installation hardware. To be used in conjunction with a set of 4 vehicle specific SX legs, sold separately. Use the Cargogear Roof Rack Configurator to find the complete rack system for your vehicle with raised or flush factory rails. Manufacturer's part number: 44100B